AIR, POWER & HAND TOOLS. CUTTING & CARBIDE TOOLS. MRO & SHOP SUPPLIES. Thank you for shopping with us! KDK-150 Style Quick Change Tool Post Lathe Swing: 15-18″ Dovetail is 1.75″ All working parts hardened and ground. Interchangeable with KDK same series tool holders. Lock Down Bolt Diameter: 5/8. Some browsers do not allow this option.